CN110106512A - Device for preparing hydrogen - Google Patents
Device for preparing hydrogen Download PDFInfo
- Publication number
- CN110106512A CN110106512A CN201910306362.6A CN201910306362A CN110106512A CN 110106512 A CN110106512 A CN 110106512A CN 201910306362 A CN201910306362 A CN 201910306362A CN 110106512 A CN110106512 A CN 110106512A
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- CN
- China
- Prior art keywords
- hydrogen
- power switch
- branch
- parallel branch
- switch
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B1/00—Electrolytic production of inorganic compounds or non-metals
- C25B1/01—Products
- C25B1/02—Hydrogen or oxygen
- C25B1/04—Hydrogen or oxygen by electrolysis of water
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B15/00—Operating or servicing cells
- C25B15/02—Process control or regulation
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B9/00—Cells or assemblies of cells; Constructional parts of cells; Assemblies of constructional parts, e.g. electrode-diaphragm assemblies; Process-related cell features
- C25B9/70—Assemblies comprising two or more cells
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/36—Hydrogen production from non-carbon containing sources, e.g. by water electrolysis
Abstract
The invention discloses a kind of device for preparing hydrogen, which includes j parallel branch, has k concatenated Hydrogen Units in each parallel branch, each Hydrogen Unit includes multiple electrolytic cells.A branch switch is in series in each parallel branch.Each Hydrogen Unit is parallel with a power switch, when power switch is closed, the corresponding Hydrogen Unit short circuit of power switch.Device for preparing hydrogen of the invention, influence of the local fault to device for producing hydrogen entirety is smaller, and stability and reliability are higher.And opening and closing is switched by controlling brancher and connects or remove parallel branch, and/or, it is closed at or disconnects the power switch of identical quantity in the parallel branch of each access, the device for producing hydrogen more can easily be adjusted to different power, and regulation stall is more, the fluctuating change of the good fit input power when new energy (such as wind-powered electricity generation, photovoltaic) with interval property generates electricity as hydrogen preparation power supply.
Description
Technical field
The present invention relates to water electrolysis hydrogen production technical field more particularly to a kind of device for preparing hydrogen.
Background technique
As fossil fuel is reduced, environmental pollution increasingly sharpens, and the mankind are sought for some new energy.Hydrogen burning when without
Pollution has many advantages, such as fuel value height, clean and effective, is a kind of ideal energy.Hydrogen is as a kind of good reducing agent and clearly
Clean fuel is widely used in the industries such as petroleum, chemical industry, metallurgy, medicine.Since the hydrogen content of nature is very low, it is difficult from nature
Boundary obtains a large amount of hydrogen.Currently, mainly carrying out hydrogen manufacturing by electrolysis water technology.
The prior art provides a kind of wind-powered electricity generation water electrolysis hydrogen production system.Electricity is converted wind energy by wind power generating set
Can, electrical energy transportation carries out hydrogen manufacturing into hydrogen producer, and the hydrogen produced can be used as secondary energy sources and be delivered to different workplaces,
Realize the green energy resource conversion of " wind energy-electric energy-Hydrogen Energy ".
The inventor finds that the existing technology has at least the following problems: nature wind-force size is non-constant, leads to wind-power electricity generation
The generated output of unit is different, and the power of required hydrogen producer is different under different generated outputs, hydrogen manufacturing in the prior art
Equipment is difficult to be adjusted in real time to wind-power electricity generation power and be adapted.
Summary of the invention
To solve above-mentioned the technical problems existing in the prior art, the present invention provides a kind of device for preparing hydrogen.Tool
Body technique scheme is as follows:
A kind of device for preparing hydrogen, described device include j parallel branch, have k a concatenated in each parallel branch
Hydrogen Unit, each Hydrogen Unit include multiple electrolytic cells；A branch switch is in series in each parallel branch；
Each Hydrogen Unit is parallel with a power switch, when the power switch is closed, the corresponding hydrogen manufacturing of the power switch
Unit short circuit.
In a kind of possible design, described device includes m*n electrolytic cell, and each Hydrogen Unit includes n/j
Parallel branch has m/k concatenated electrolytic cells in each parallel branch.
In a kind of possible design, described device further includes control unit, the branch switch and the power switch
It is connect with described control unit, for being opened and closed under the instruction of described control unit.
In a kind of possible design, the electrolytic cell is monopolar type ion-exchange membrane electrolyzer.
In a kind of possible design, the electrolytic cell is bipolar membranes electrolytic cell.
In a kind of possible design, the power switch is electric power triode.
In a kind of possible design, the power switch is metal oxide semiconductor field effect tube.
In a kind of possible design, the power switch is insulated gate bipolar transistor.
In a kind of possible design, the branch switch is electric power triode, gate leve turn-off thyristor or insulated gate
Bipolar junction transistor.
The major advantage of technical solution of the present invention is as follows:
Device for preparing hydrogen of the invention has k a concatenated by the way that j parallel branch is arranged in each parallel branch
Hydrogen Unit keeps influence of the local fault to device for producing hydrogen entirety smaller, and stability and reliability are higher.And pass through controlling brancher
Switch opening and closing is connected or removal parallel branch, and/or, it is closed at or disconnects identical quantity in the parallel branch of each access
Power switch, more can easily adjust the device for producing hydrogen to different power, and regulation stall is more, it is good fit in
The fluctuating change of input power when new energy (such as wind-powered electricity generation, photovoltaic) power generation with interval property is as hydrogen preparation power supply.
Detailed description of the invention
Attached drawing described herein is used to provide to further understand the embodiment of the present invention, constitutes of the invention one
Point, the illustrative embodiments of the present invention and their descriptions are used to explain the present invention, does not constitute improper limitations of the present invention.Attached
In figure:
Fig. 1 is the structural schematic diagram of device for preparing hydrogen provided by one embodiment of the present invention.
Description of symbols:
1- Hydrogen Unit, 11- electrolytic cell, 2- branch switch, 3- power switch.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with the specific embodiment of the invention and
Technical solution of the present invention is clearly and completely described in corresponding attached drawing.Obviously, described embodiment is only of the invention
A part of the embodiment, instead of all the embodiments.Based on the embodiment of the present invention, those of ordinary skill in the art are not doing
Every other embodiment obtained under the premise of creative work out, shall fall within the protection scope of the present invention.
Below in conjunction with attached drawing, the technical solution of embodiment that the present invention will be described in detail offer.
The embodiment of the invention provides a kind of device for preparing hydrogen, and as shown in Fig. 1, which includes j a simultaneously
Join branch, there are k concatenated Hydrogen Units 1 in each parallel branch, each Hydrogen Unit 1 includes multiple electrolytic cells 11.Each
A branch switch 2 is in series in parallel branch.Each Hydrogen Unit 1 is parallel with a power switch 3, and power switch 3 is closed
When, corresponding 1 short circuit of Hydrogen Unit of power switch 3.
The working principle of device for preparing hydrogen provided in an embodiment of the present invention is illustrated below:
Each Hydrogen Unit 1 is parallel with a power switch 3, when power switch 3 is closed, the corresponding system of power switch 3
1 short circuit of hydrogen unit, that is, the Hydrogen Unit 1 stops hydrogen manufacturing operation, does not consume electric energy.It, can by controlling the opening and closing of power switch 3
More easily to control whether k*j Hydrogen Unit 1 of total works, the adjustable extent of total hydrogen manufacturing power and adjusting
Gear is more.And pass through the opening and closing of branch switch 2, it can control the quantity of the parallel branch of access.In addition, device for producing hydrogen includes
J parallel branch has k concatenated Hydrogen Units 1 in each parallel branch, so connects, when there is Hydrogen Unit 1 to break down
When, circuit communication of branch, remaining a electrolytic cell 11 of k* (j-1) can work normally where only will affect it, make local event
The influence hindered to device for producing hydrogen whole work efficiency is smaller.And it is based on C-V characteristic, disconnected branches switch 2, thus it is possible to vary the system
The rated operational current of hydrogen production device.The power switch 3 of identical quantity is closed in each series arm respectively, thus it is possible to vary the system
The rated operational voltage of hydrogen production device.
As it can be seen that device for preparing hydrogen provided in an embodiment of the present invention, by the way that j parallel branch, each branch in parallel is arranged
There are k concatenated Hydrogen Units 1 in road, keeps influence of the local fault to device for producing hydrogen entirety smaller, stability and reliability compared with
It is high.And opened and closed by controlling brancher switch 2 and connect or remove parallel branch, and/or, it is closed at or disconnects each access
The power switch 3 of identical quantity in parallel branch more can easily adjust the device for producing hydrogen to different power, and adjust
Gear is more, good fit to input when new energy (such as wind-powered electricity generation, photovoltaic) power generation with interval property is as hydrogen preparation power supply
The fluctuating change of power.
Optionally, as shown in Fig. 1, device for preparing hydrogen provided in an embodiment of the present invention includes m*n electrolytic cell 11,
Each Hydrogen Unit 1 includes n/j parallel branch, there is m/k concatenated electrolytic cells 11 in each parallel branch.So set,
On the one hand, the voltage rating work of each Hydrogen Unit 1 is consistent with electric current, distributes convenient for electric energy, in each Hydrogen Unit 1
11 quantity of electrolytic cell in portion, every branch road is identical, convenient for adjusting the operating voltage of each electrolytic cell 11.On the other hand, individually
When 11 failure of electrolytic cell, work of remaining electrolytic cell 11 of branch, makes local fault to Hydrogen Unit 1 where only will affect it
The influence of whole work efficiency is smaller.
Optionally, device for preparing hydrogen provided in an embodiment of the present invention can also include control unit, power switch 3 with
Control unit connection, for being opened and closed under the instruction of control unit.So set, realizing to the device for preparing hydrogen power
Automation is adjusted.
In the embodiment of the present invention, electrolytic cell 11 is for converting electrical energy into Hydrogen Energy, as long as being able to achieve hydrogen manufacturing function.
Illustratively, electrolytic cell 11 can be monopolar type ion-exchange membrane electrolyzer or bipolar membranes electrolytic cell.
Power switch 3 plays current control, and as an example, power switch 3 can be electric power triode, metal oxygen
Compound semiconductor field (metal-oxide-semiconductor) or insulated gate bipolar transistor (IGBT, Insujated Gate Bipojar
Transistor), above-mentioned several power switch 3 can use lesser voltage input and control biggish electric current output, and energy
It is opened and closed, is satisfied the use demand under the control of the control unit.
Branch switch 2 is used to control the access of each parallel branch in device for preparing hydrogen, as an example, branch
Switch 2 is electric power triode, gate leve turn-off thyristor (GTO, Gate Turn-Off Thyristor) or insulated gate bipolar
Transistor (IGBT, Insujated Gate Bipojar Transistor), can satisfy use demand.
It should be noted that, in this document, the relational terms of such as " first " and " second " or the like are used merely to one
A entity or operation with another entity or operate distinguish, without necessarily requiring or implying these entities or operation it
Between there are any actual relationship or orders.Moreover, the terms "include", "comprise" or its any other variant are intended to
Cover non-exclusive inclusion, so that the process, method, article or equipment for including a series of elements not only includes those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or setting
Standby intrinsic element.In addition, placement shape of "front", "rear", "left", "right", "upper", the "lower" herein to be indicated in attached drawing
State is reference.
Finally, it should be noted that the above examples are only used to illustrate the technical scheme of the present invention, rather than its limitations；Although
Present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: it still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features；
And these are modified or replaceed, technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution spirit and
Range.
Claims (9)
1. a kind of device for preparing hydrogen, which is characterized in that described device includes j parallel branch, has k in each parallel branch
A concatenated Hydrogen Unit, each Hydrogen Unit include multiple electrolytic cells；
A branch switch is in series in each parallel branch；
Each Hydrogen Unit is parallel with a power switch, and when the power switch is closed, the power switch is corresponding
Hydrogen Unit short circuit.
2. device for preparing hydrogen according to claim 1, which is characterized in that described device includes m*n electrolytic cell, often
A Hydrogen Unit includes n/j parallel branch, there is m/k concatenated electrolytic cells in each parallel branch.
3. device for preparing hydrogen according to claim 1, which is characterized in that described device further includes control unit, institute
It states branch switch and the power switch is connect with described control unit, for being opened and closed under the instruction of described control unit.
4. device for preparing hydrogen according to claim 1, which is characterized in that the electrolytic cell is acyclic type ion exchange
Membrane electrolysis cells.
5. device for preparing hydrogen according to claim 1, which is characterized in that the electrolytic cell is bipolar system ion exchange
Membrane electrolysis cells.
6. device for preparing hydrogen according to claim 1 or 3, which is characterized in that the power switch is three pole of electric power
Pipe.
7. device for preparing hydrogen according to claim 1 or 3, which is characterized in that the power switch is metal oxidation
Object semiconductor field.
8. device for preparing hydrogen according to claim 1 or 3, which is characterized in that the power switch is that insulated gate is double
Bipolar transistor.
9. device for preparing hydrogen according to claim 1 or 3, which is characterized in that the branch switch is three pole of electric power
Pipe, gate leve turn-off thyristor or insulated gate bipolar transistor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910306362.6A CN110106512A (en) | 2019-04-17 | 2019-04-17 | Device for preparing hydrogen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910306362.6A CN110106512A (en) | 2019-04-17 | 2019-04-17 | Device for preparing hydrogen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110106512A true CN110106512A (en) | 2019-08-09 |
Family
ID=67485576
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910306362.6A Pending CN110106512A (en) | 2019-04-17 | 2019-04-17 | Device for preparing hydrogen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110106512A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110635510A (en) * | 2019-10-23 | 2019-12-31 | 河北工业大学 | Non-grid-connected wind power water electrolysis hydrogen production system and cooperative control method thereof |
| CN111364052A (en) * | 2020-04-03 | 2020-07-03 | 中国华能集团清洁能源技术研究院有限公司 | Wide-power water electrolysis hydrogen production system and method |
| CN112647088A (en) * | 2020-08-05 | 2021-04-13 | 严强 | Off-grid electrolysis control structure and mode |
| JP2021063280A (en) * | 2019-10-16 | 2021-04-22 | 株式会社豊田中央研究所 | Water electrolysis system |
| CN113445070A (en) * | 2020-07-01 | 2021-09-28 | 扬州中电制氢设备有限公司 | Modularized electrolytic cell group |
| CN115397768A (en) * | 2020-04-13 | 2022-11-25 | 三菱重工业株式会社 | Hydrogen release/storage system, hydrogen release/storage method, ammonia production device, gas turbine, fuel cell, and iron works |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1844458A (en) * | 2006-03-23 | 2006-10-11 | 徐名勇 | Power supplying method of electrolysis type ozone generator |
| CN100349318C (en) * | 1999-11-24 | 2007-11-14 | 集成燃料电池技术公司 | Fuel cell and power chip technology |
| CN101565832A (en) * | 2008-04-25 | 2009-10-28 | 清华大学 | Water electrolysis hydrogen production system for solar battery |
| CN102290988A (en) * | 2011-08-31 | 2011-12-21 | 保定市红日电气有限公司 | High-capacity multiple DC-DC (direct current-direct current) power supply |
| CN103296739A (en) * | 2013-05-06 | 2013-09-11 | 东南大学 | Novel power supply system device combining solar photovoltaic and photothermal |
| CN103710724A (en) * | 2013-07-20 | 2014-04-09 | 陈世浩 | Wind power-solar energy hydrogen production apparatus |
| CN204111874U (en) * | 2014-11-10 | 2015-01-21 | 刘枫 | Closed electrolytic water generator |
| CN105112935A (en) * | 2015-09-21 | 2015-12-02 | 李云飞 | Overpotential control structure and method |
| US20160281248A1 (en) * | 2013-03-19 | 2016-09-29 | Siemens Aktiengesellschaft | Electrolysis stack and electrolyzer |
| CN106119883A (en) * | 2016-06-22 | 2016-11-16 | 同济大学 | A kind of coupled hydrogen making system and control method thereof |
| CN106906482A (en) * | 2017-04-18 | 2017-06-30 | 深圳氢爱天下健康科技控股有限公司 | A kind of hydrogen manufacturing circuit and hydrogen-rich foot bath |
-
2019
- 2019-04-17 CN CN201910306362.6A patent/CN110106512A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100349318C (en) * | 1999-11-24 | 2007-11-14 | 集成燃料电池技术公司 | Fuel cell and power chip technology |
| CN1844458A (en) * | 2006-03-23 | 2006-10-11 | 徐名勇 | Power supplying method of electrolysis type ozone generator |
| CN101565832A (en) * | 2008-04-25 | 2009-10-28 | 清华大学 | Water electrolysis hydrogen production system for solar battery |
| CN102290988A (en) * | 2011-08-31 | 2011-12-21 | 保定市红日电气有限公司 | High-capacity multiple DC-DC (direct current-direct current) power supply |
| US20160281248A1 (en) * | 2013-03-19 | 2016-09-29 | Siemens Aktiengesellschaft | Electrolysis stack and electrolyzer |
| CN103296739A (en) * | 2013-05-06 | 2013-09-11 | 东南大学 | Novel power supply system device combining solar photovoltaic and photothermal |
| CN103710724A (en) * | 2013-07-20 | 2014-04-09 | 陈世浩 | Wind power-solar energy hydrogen production apparatus |
| CN204111874U (en) * | 2014-11-10 | 2015-01-21 | 刘枫 | Closed electrolytic water generator |
| CN105112935A (en) * | 2015-09-21 | 2015-12-02 | 李云飞 | Overpotential control structure and method |
| CN106119883A (en) * | 2016-06-22 | 2016-11-16 | 同济大学 | A kind of coupled hydrogen making system and control method thereof |
| CN106906482A (en) * | 2017-04-18 | 2017-06-30 | 深圳氢爱天下健康科技控股有限公司 | A kind of hydrogen manufacturing circuit and hydrogen-rich foot bath |
Non-Patent Citations (1)
| Title |
|---|
| 胡英主编: "《新兴微纳电子技术丛书 新能源与微纳电子技术》", 31 July 2015, 西安电子科技大学出版社 * |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2021063280A (en) * | 2019-10-16 | 2021-04-22 | 株式会社豊田中央研究所 | Water electrolysis system |
| JP7168541B2 (en) | 2019-10-16 | 2022-11-09 | 株式会社豊田中央研究所 | water electrolysis system |
| CN110635510A (en) * | 2019-10-23 | 2019-12-31 | 河北工业大学 | Non-grid-connected wind power water electrolysis hydrogen production system and cooperative control method thereof |
| CN110635510B (en) * | 2019-10-23 | 2021-01-26 | 河北工业大学 | Cooperative control method for non-grid-connected wind power water electrolysis hydrogen production system |
| CN111364052A (en) * | 2020-04-03 | 2020-07-03 | 中国华能集团清洁能源技术研究院有限公司 | Wide-power water electrolysis hydrogen production system and method |
| CN115397768A (en) * | 2020-04-13 | 2022-11-25 | 三菱重工业株式会社 | Hydrogen release/storage system, hydrogen release/storage method, ammonia production device, gas turbine, fuel cell, and iron works |
| CN113445070A (en) * | 2020-07-01 | 2021-09-28 | 扬州中电制氢设备有限公司 | Modularized electrolytic cell group |
| CN112647088A (en) * | 2020-08-05 | 2021-04-13 | 严强 | Off-grid electrolysis control structure and mode |
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Application publication date: 20190809 |